Douglas A. Geller

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Monrovia, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Play sprinkler or the like
- Patent number D268279
- Issue date Mar 15, 1983
- Wham-O Mfg. Co.
- Douglas A. Geller
- D23 - Environmental heating and cooling
Information Patent Grant
Children's play sprinkler
- Patent number D265578
- Issue date Jul 27, 1982
- Wham-O Mfg. Co.
- Richard L. Gillespie
- D23 - Environmental heating and cooling
Information Patent Grant
Flying disc
- Patent number 4,334,385
- Issue date Jun 15, 1982
- Wham-O Mfg. Co.
- Arthur K. Melin
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Children's play sprinkler or the like
- Patent number D260279
- Issue date Aug 18, 1981
- Wham-O Mfg. Co.
- Douglas A. Geller
- D23 - Environmental heating and cooling
Information Patent Grant
Mirror for producing optical illusions
- Patent number 4,273,418
- Issue date Jun 16, 1981
- Wham-O Mfg. Co.
- Richard L. Gillespie
- G02 - OPTICS
Information Patent Grant
Water play toy
- Patent number 4,235,378
- Issue date Nov 25, 1980
- Wham-O Mfg. Co.
- Arthur K. Melin
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy gun
- Patent number 4,157,703
- Issue date Jun 12, 1979
- Wham-O Mfg. Co.
- Gary W. Brown
- A63 - SPORTS GAMES AMUSEMENTS