Inventors League
Page 3

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12-October-2023 Thursday
And I have this coffee cup

24-September-2023 Sunday
UPS only turns right

27-August-2023 Sunday
An unexpected catch when saving on air conditioning

29-April-2023 Saturday
The Mystery of the California Lawnmower Goats

22-January-2023 Sunday
Copyright for questions

07-January-2023 Saturday
I ask for help from the League of Engineers, Inventors and Designers

09-October-2022 Sunday
How is the dose of radiation received measured? Patent US2022117A

03-October-2022 Monday
Geiger-Muller counter

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