Albert C. Hartland

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Practice tennis court
- Patent number 4,606,543
- Issue date Aug 19, 1986
- Albert C. Hartland
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Tennis service practice court with recovering and collecting means
- Patent number 4,456,252
- Issue date Jun 26, 1984
- Albert C. Hartland
- A63 - SPORTS GAMES AMUSEMENTS