Legal Opinion
Rena Kardulas v. Florida MacHine Products Company, R.C. Products, Inc., and John M. Dudinsky
Court of Appeals for the Fifth Circuit
Decided March 25, 1971No. 29514_1PublishedCited by 38 opinions
1Opinion of the Court
DYER, Circuit Judge:
Defendant, Florida Machine Products Company, made and sold hair roller holders which admittedly infringed United States Patent No. 3,128,882, entitled “Hair Roller Holder,” invented and owned by plaintiff, Rena Kardulas.1 The District Court found the patent valid and infringed. Defendant appeals *1120only from the judgment of validity. We reverse because of the exclusion of relevant evidence concerning prior public use.
The Kardulas invention
A beautician needs rollers of many different sizes to set a coiffure. These rollers must be kept clean and easily accessible. Hair rollers…
2Cases cited42 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
- Anderson's-Black Rock, Inc. v. Pavement Salvage Co.Supreme Court of the United States · 1969
- Alexander Milburn Co. v. Davis-Bournonville Co.Supreme Court of the United States · 1926
- Smith & Griggs Manufacturing Co. v. SpragueSupreme Court of the United States · 1887
37 more not listed; retrieve them via the Exa API.
3Cited by38 opinions
- In Re Yarn Processing Patent Validity Litigation. Sauquoit Fibers Company v. Leesona Corporation, Kayser-Roth Corporation (In Its Own Name and D/B/A Kayser-Roth Hosiery Companyand Kayser-Roth Hosiery Co., Inc.) v. Leesona Corporation, Leesona Corporation v. The Duplan CorporationCourt of Appeals for the Fifth Circuit · 1974
- James C. Hobbs v. United States of America, Atomic Energy CommissionCourt of Appeals for the Fifth Circuit · 1971
- Amax Fly Ash Corp. v. United StatesUnited States Court of Claims · 1975
- Alfred H. Faulkner v. Baldwin Piano & Organ Co.Court of Appeals for the Seventh Circuit · 1977
- Eaton Corp. v. Appliance Valves Corp.Court of Appeals for the Federal Circuit · 1986
33 more not listed; retrieve them via the Exa API.